<template>
    <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryinfo.query" clearable @clear="getgoodslist">
            <el-button slot="append" icon="el-icon-search" @click="getgoodslist"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
            <el-button type="primary" @click="goaddpage">添加商品</el-button>
        </el-col>
      </el-row>

       <!-- table表格区域 -->
      <el-table :data="goodslist" border stripe>
         <el-table-column type="index"></el-table-column>
         <el-table-column label="商品名称" prop="goods_name"></el-table-column>
         <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
         <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
         <el-table-column label="商品创建时间" prop="add_time" width="140px">
           <template slot-scope="scope">
            {{scope.row.add_time || dataformat}}
           </template>
         </el-table-column>
         <el-table-column label="操作" width="130px">
           <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removebyid(scope.row.goods_id)"></el-button>
           </template>
         </el-table-column>
      </el-table>

      <!-- 分页区域 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryinfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryinfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
    </el-card>
    </div>
</template>

<script>
export default {
  data () {
    return {
      //    查询参数对象
      queryinfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodslist: [],
      total: 0
    }
  },
  created () {
    this.getgoodslist()
  },
  methods: {
    //   根据分页获取对应的商品列表
    async getgoodslist () {
      const { data: res } = await this.$http.get('goods', { params: this.queryinfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.$message.success('获取商品列表成功')
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newsize) {
      this.queryinfo.pagesize = newsize
      this.getgoodslist()
    },
    handleCurrentChange (newpage) {
      this.queryinfo.pagenum = newpage
      this.getgoodslist()
    },
    async removebyid (id) {
      const confirmres = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)

      if (confirmres !== 'confirm') {
        return this.$message.info('已经取消删除！')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.$message.success('删除成功')
      this.getgoodslist()
    },
    goaddpage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
</style>
